The Mummy Mystery — Martin Widmark

What's going on at the art museum in Pleasant Valley? Did the Egyptian mummy really come to life after 3,000 years? The terrified night watchman claims that he saw the mummy walking around the museum. The very same night, the most valuable painting in the museum was cut out of its frame. Once again, young detectives Jerry and Maya are called in by the chief of police to get to the bottom of the strange and spooky events.